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awesome! i wouldn't have thunk it.
you could abbreviate that by using a smaller section of thick plastic and drill two holes opposite sides and run a length of 1/4" bungee thru the holes with a knot on each end. have the bungee goes over the heel of the drill like icemaster adapters do.
I also use the ice master adapter.the disc doesnt even spin.lol
been using this for years,http://icemasteradapter.com/(Image removed from quote.)